diff --git a/test/classes/plugin/auth/AuthenticationHttpTest.php b/test/classes/plugin/auth/AuthenticationHttpTest.php
index 20e5b81b33..8f08c86897 100644
--- a/test/classes/plugin/auth/AuthenticationHttpTest.php
+++ b/test/classes/plugin/auth/AuthenticationHttpTest.php
@@ -142,7 +142,7 @@ class AuthenticationHttpTest extends PMATestCase
 
         $this->doMockResponse(
             0, 0, 0,
-            array('Location: http://phpmyadmin.net/logout')
+            array('Location: http://phpmyadmin.net/logout' . ((SID) ? SID : ''))
         );
     }